Ema, the student council head, is a quiet, stunning, flawless girl. Her younger sister Ruka boasts idol‑level fame and constantly draws the spotlight. In contrast, their youngest brother Mizuki remains quite ordinary. From childhood onward, Mizuki endured teasing from Ema and relentless demands from Ruka. Yet his world shifts when he falls in love. He had always felt invisible among his siblings, but the new romance gives him confidence and a sense of belonging.
